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Since the 1960s, the average annual flow of the middle Peace River has declined from 1,350 cubic feet (38.23 m 3) to 800 cubic feet (22.65 m 3) per second (38.23 to 22.65 m 3 /s). Each holding pond has been perceived as a risk that threatens water quality, public health, wildlife, and the regional economy.
White phosphorus, yellow phosphorus, or simply tetraphosphorus (P 4) is an allotrope of phosphorus. It is a translucent waxy solid that quickly yellows in light (due to its photochemical conversion into red phosphorus ), [ 2 ] and impure white phosphorus is for this reason called yellow phosphorus.
The highest-grade deposits were found where weathering or shallow groundwater had preferentially dissolved away the calcium carbonate. The last mine in Tennessee, which produced phosphate rock from the Bigby-Cannon formation, closed in 1991. The blue phosphate rock was found in the Devonian-age Chattanooga Shale.
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This page is subject to the extended confirmed restriction related to the Arab-Israeli conflict. US Air Force Douglas A-1E Skyraider dropping a 100-pound (45 kg) M47 white phosphorus bomb on a Viet Cong position in South Vietnam in 1966 White phosphorus munitions are weapons that use one of the common allotropes of the chemical element phosphorus. White phosphorus is used in smoke ...
1869 Organized hunting parties strive to eradicate black bears and Florida panthers that threaten Pinellas cattle industry. [4]: 34 1876 "Pinellas Village" obtains first post office in what is now St. Petersburg. [4]: 36 1884 Disston City (future Gulfport) plat filed. [4]: 44
A U.S.-led military coalition also deployed white phosphorus weapons in Syria and Iraq in its war against ISIS in 2017, according to HRW. Israel, too, previously used the substance during a 2008 ...
Now, an investigation by The Washington Post has found that the white phosphorus shells used in that attack were made in the United States. While white phosphorus can have military uses ...